Home / 149,240.07-206,136.09-108,338.85

Finding the Fourth Proportional to 149,240.07, 206,136.09 and 108,338.85

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Solution

The fourth proportional to 149,240.07, 206,136.09 and 108,338.85 is: 149,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,240.07 : 206,136.09 = 108,338.85 : x
  2. Step 2: Convert to fraction form
    149,240.07/206,136.09 = 108,338.85/x
  3. Step 3: Cross multiply
    149,240.07x = 206,136.09 × 108,338.85
  4. Step 4: Simplify right side
    149,240.07x = 22,332,546,934.10
  5. Step 5: Solve for x
    x = 22,332,546,934.10/149,240.07
  6. Step 6: Final answer
    x = 149,641.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.